牛津版八年级英语Unit 4 Wild AnimalsPeriod Six.doc

Unit 4 Wild Animals Period Six
Grammar(B)
Teaching Aims:
1. To recognize and use conditional sentences to talk about repeated and predictable situations and events.
2. To use conditional sentences in a report about conservation issues.
Teaching Procedures.
Ⅰ.Revision------ Put the following sentences into English.
1. 如果明天下雨,你将做什么?
2. 如果我有足够的钱,我将买一台电脑.
3. 如果他去法国,他将首先看一看埃菲尔铁塔.
Ⅱ.Explanation ------We can use simple present tense in both clauses of a conditional sentence when we talk about repeated and predictable situations and events. Give some examples:
If giant pandas have no food, they die. 如果大熊猫没有食物,它们就会死亡.
What do elephants do if they are thirsty? 如果大象口渴了,它们做什么?
If you keep a fish out of water for a long time, it dies.
如果你把鱼长时间不放在水里,它会死亡.
Ⅲ.Practice (B1)------ Let the students finish the exercise on Page 62.
Deal with some words and language points.
1.attack v./n. 攻击,进攻
attack people <动词>
We attacked the enemy at down. 我们在黎明时袭击敌人.<动词>
make an attack 攻击 <名词>
2.spit v.吐<吐沫>,吐出 <过去式 spat,现在分词 spitting>
It’s bad manners to spit in public.
在公共场合吐痰是不讲礼貌的行为.
No Spitting! 不准随地吐痰!
He spat into the river. 他把痰吐到河里.
The child spat out its food.孩子把(吃的)东西吐了出来.
3.step v. 踩, 踏上 <过去式 stepped, 现在分词 stepping>
step on my foot step back 走回
step down from the plane 从飞机上走下来
Step this way. 这边走.
n. 脚步,阶梯,台阶
a step toward success 迈向成功的一步.
Step by step, one can go far. 千里之行,始于足下.
fall down the steps 摔倒在台阶上
4. poison n.毒物,毒药
poisonous a.有毒的
一只有毒的青蛙
5.male a.雄的,男(性)的 <反:female 雌的,女(性)的>
a male wolf a female flower
6.If elephants are thirsty, they walk till they find a river.
如果大象口渴的话,它们一直走到能找到河流为止.
◆ till : 介词或连词,后接名词<词组>或句子,用于肯定句中,主句动词应为延续性动词,意为 “直到…为止”,用于否定句中,主句动词为短暂性动词.意为“直到…才”
eg. till then 到那时止
from morning till night. 从早到晚
我将一直等到你回来为止.
他直到十点才完成家作.
注意:①till 与 until的意义和用法相同,但句首一般不用till而用until.
②两者皆可用作介词和连词,但两者都不能没有宾语,因此都不是副词.
③要注意在使用until或till表示汉语“直到…才”的时候,常常要把英语的肯定句改为否定句.
Ⅳ.(B2) Here is a report on wild animals. Read the report and complete it. Before reading, the teacher can answer some questions about animals. If the students can’t answer them. Let them read and complete the report first.
Sample questions:
1. Do tigers live alone or as a family? (as a family)
2. Do wolves live as a family? (As a family if they have babies.)
3. How do baby tigers learn to chase other animals? (By watching their mothers.)
Other language points:
1. hunt v.打猎,搜寻,寻找
They hunted foxes. 他们狩猎狐狸.
We’ll go hunting tomorrow.
I hunted the room for my glasses. 我搜房间找眼镜.
hunt a job 找工作
◆ hunt v.à hunter n.猎人
2.live as a family until baby tigers are 2—3 years old.
像一家人一样生活在一起直到小老虎2-3岁.
as 是介词,意为“作为;当作;像”等.
He works as a driver. 他以开汽车为业.
He found a job as an editor. 他找到一份编辑工作.
She worked as a Chinese teacher. 她当语文教师.
复习: 也
和…一样
和…不一样
3.own a. (某人)自己的 放在所有格或动名词性物主代词后使用,修饰名词时,
也可用“a+名词+of one’s own”结构.
我自己的想法 她自己的车
I want to have a house of my own.
v. 拥有
He owns his bike. 他有自己的自行车.
Who owns the land?
Ⅴ. Homework.

教后感